There are many kinds of fiber pots made from organic materials such as peat, cow manure, and shredded wood. Mix the solution to the strength recommended on the label for disinfecting surfaces.Sterilize used containers by soaking the cleaned containers in a solution of bleach or other disinfectant for 30 minutes, then rinse and use.To avoid diseases from previous plants:.Most plastic seed-starting containers are reusable.All seed starting containers must have drainage holes at the bottom.Small individual plastic pots are also suitable.Plastic sheets of small containers (cell flats) fit into standard solid trays.It's best to use divided containers with a single seedling per container, rather than filling a larger container with potting mix and sowing many seeds, because the seedlings' roots will grow into each other and are likely to be injured later during transplanting. Start seeds in small, individual containers.

A teaspoon of powdered milk in a piece of facial tissue or paper towel will also absorb moisture. To keep the humidity low in the container, add a packet of silica gel.As soon as you're done planting, store seed packets in an air-tight container in a cool place: the refrigerator is ideal.Leftover seeds can be saved for the next year.Fewer and fewer seeds from a packet will germinate as time passes.The fresher the seed, the greater the chances that all the seeds will still be viable.Don't buy more seed than you will use in two or three years.The percentage of germination and seed purity is governed by law. If name brand and 'off brand' seed varieties are the same for a given flower or vegetable, there shouldn't be any difference in the plants' ultimate quality. Planting and care information is often more complete on name-brand seed packets. The newest hybrids command higher prices, as do seeds of rare or unusual plants, as well as certified organic seed. Seeds are available from many sources, ranging from your local building supply store to garden centers and mail order catalogs.

Starting onion seeds in trays